title: The evolution of genetic regulatory systems in bacteria.
mesh_terms: D001419:Bacteria / Q000737:chemistry / Q000235:genetics*; D001426:Bacterial Proteins; D005075:Biological Evolution; D004268:DNA-Binding Proteins / Q000235:genetics / Q000502:physiology; D005407:Flagella / Q000737:chemistry / Q000235:genetics / Q000502:physiology; D015964:Gene Expression Regulation, Bacterial; D022761:Gene Transfer, Horizontal; D014157:Transcription Factors / Q000235:genetics / Q000502:physiology
chemical_list: D001426:Bacterial Proteins; C097706:CtrA protein, Caulobacter; D004268:DNA-Binding Proteins; D014157:Transcription Factors